Monthly Archives: September 2016

Random Cracking of Concrete Slabs

Beware the season of cracked slabs is upon us. For those pouring externally you are at risk during the coming months. Windy conditions with low humidity and considerable temperature changes overnight bring with it the risk of cracking prior to crack control measures being effective. In fact most cracking is not due to loading or…

Cutting Every 2nd Bar of Mesh at Sawcut Joints

A common detail by engineers is to show every second bar of secondary reinforcement (generally top mesh) cut at sawcut joints. Conslabs view is that this is just plain wrong. The engineer wants to ensure the crack occurs at the swat joint and not as a random crack but in doing so they are reducing…

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